Cornwall to Montreal, Canada Marine Forecast, Warnings and Alerts

Canada

N.America Satellite

Canada Radar

Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Cornwall to Montreal

Marine Forecast

Issued 03:00 AM EDT 13 September 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind southerly 10 to 15 knots increasing to southwest 15 to 25 early this afternoon then becoming west 15 late this evening. Wind increasing to northwest 15 to 25 overnight then becoming northwest 15 near noon Monday. Wind diminishing to light Monday evening.

Scattered showers this afternoon with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Winds

Issued 03:00 AM EDT 13 September 2026

Today Tonight and Monday. Strong wind warning in effect. Wind southerly 10 to 15 knots increasing to southwest 15 to 25 early this afternoon then becoming west 15 late this evening. Wind increasing to northwest 15 to 25 overnight then becoming northwest 15 near noon Monday. Wind diminishing to light Monday evening.

Weather & Visibility

Issued 03:00 AM EDT 13 September 2026

Today Tonight and Monday. Scattered showers this afternoon with a risk of thunderstorms. Visibility as low as 1 mile in showers.

There is no ice forecast issued for this area.

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 03:00 AM EDT 13 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Technical Marine Synopsis

Issued 3:00 AM EDT 13 September 2026 Today Tonight and Monday At 3:00 a.m. EDT today trough located from Labrador to Lake Erie.
By 8:00 p.m. EDT Monday trough located on a line northeast-southwest
over the Strait of Belle Isle.

At 3:00 a.m. EDT today ridge located on a line north-south over
northern Ontario.
By 8:00 p.m. EDT Monday ridge located from Lake Ontario to
Ungava Bay.

| Mobile

Private Policy | Terms & Conds | | Cookie Policy

Never base any life decisions on weather information from this site or anywhere over the Internet.
Site is dedicated to our Lord & Savior Jesus Christ | Random Quotes of Jesus
Copyright © 2026 El Dorado Weather, Inc. | Site Designed By: Webmaster Danny